Festivalgoers browse for books during the Miami Book Fair International. PBS will provide live coverage of the fair's events over the course of three days this year.
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George H.W. Bush (left) congratulates his son George W. Bush as the two former presidents attend last year's dedication of the George W. Bush Presidential Center in Dallas.
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President Obama walks from the White House to Marine One on Friday. In an interview Thursday with NBC News, he apologized for breaking a promise regarding the Affordable Care Act.
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Former President George W. Bush speaks alongside former first lady Laura Bush during the opening ceremony of the George W. Bush Presidential Library and Museum on Thursday in Dallas.
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President Barack Obama gestures toward former President George W. Bush, former first lady Laura Bush and first lady Michelle Obama, at the White House in Washington, Thursday, during a ceremony where the Bushs' portraits were unveiled.
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